Home / 28,327.91-42,455.43-11,699.62

Finding the Fourth Proportional to 28,327.91, 42,455.43 and 11,699.62

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Solution

The fourth proportional to 28,327.91, 42,455.43 and 11,699.62 is: 17,534.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,327.91 : 42,455.43 = 11,699.62 : x
  2. Step 2: Convert to fraction form
    28,327.91/42,455.43 = 11,699.62/x
  3. Step 3: Cross multiply
    28,327.91x = 42,455.43 × 11,699.62
  4. Step 4: Simplify right side
    28,327.91x = 496,712,397.94
  5. Step 5: Solve for x
    x = 496,712,397.94/28,327.91
  6. Step 6: Final answer
    x = 17,534.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.